123teachMe.com offers a nice set of simple audios that I have gained from.
https://www.youtube.com/user/MrLearnSpanish/videos
And there are many other free vocabulary builders if you search around.
Once you get beyond working with isolated words very short phrases, you can try listening to simple melodies, and short stories such as AEsop's fables:
http://www.interpeques2.com/pequecue...quecuentos.htm
Here is a huge pile of free audiobooks. (No, I am not tacking these quite yet.
)
http://albalearning.com/audiolibros/
Think of an audio track like a bicycle chain. The chain is the flow of words and meaning. Your brain is a gear that has to adapt to "fit" with it. When this happens, you find yourself able to listen to much longer patterns of speech, and you don't mentally "stick" on a confusing spot and lose track of the entire thing.
As for what Chileno is getting at: When your ears "engage with" the other language, it is the verbal equivalent, of seeing one of those 3rd eye illusions. Suddenly ... cohesion appears out the background ... and you are following along.